Improve the error messaging for using the wrong CLI script.
Improve the error messaging for using the wrong CLI script.

hzoo/babel,KunGha/babel,lxe/babel,kaicataldo/babel,antn/babel,hulkish/babel,rmacklin/babel,antn/babel,iamchenxin/babel,samwgoldman/babel,babel/babel,tikotzky/babel,kedromelon/babel,ccschneidr/babel,kellyselden/babel,bcoe/babel,Skillupco/babel,STRML/babel,zjmiller/babel,ameyms/babel,kellyselden/babel,zenparsing/babel,kellyselden/babel,samwgoldman/babel,kellyselden/babel,rmacklin/babel,chicoxyzzy/babel,Skillupco/babel,kaicataldo/babel,hzoo/babel,maurobringolf/babel,existentialism/babel,zertosh/babel,STRML/babel,Skillupco/babel,ccschneidr/babel,lxe/babel,Skillupco/babel,existentialism/babel,shuhei/babel,hzoo/babel,KunGha/babel,zenparsing/babel,garyjN7/babel,kaicataldo/babel,zjmiller/babel,garyjN7/babel,samwgoldman/babel,kassens/babel,kassens/babel,chicoxyzzy/babel,shuhei/babel,hzoo/babel,chicoxyzzy/babel,claudiopro/babel,jridgewell/babel,jridgewell/babel,dustyjewett/babel-plugin-transform-es2015-modules-commonjs-ember,iamchenxin/babel,hulkish/babel,jridgewell/babel,iamchenxin/babel,claudiopro/babel,PolymerLabs/babel,PolymerLabs/babel,jhen0409/babel,maurobringolf/babel,claudiopro/babel,jchip/babel,hulkish/babel,jchip/babel,babel/babel,shuhei/babel,chicoxyzzy/babel,ameyms/babel,existentialism/babel,vadzim/babel,maurobringolf/babel,bcoe/babel,kedromelon/babel,tikotzky/babel,kaicataldo/babel,vadzim/babel,hulkish/babel,babel/babel,guybedford/babel,zertosh/babel,jhen0409/babel,guybedford/babel,jridgewell/babel,babel/babel,kedromelon/babel,PolymerLabs/babel,guybedford/babel